Crankshafts

Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.250 in. Stroke, 6.385 in. Rod, 2.100 Pin, Internal Balance, Chevy, Big Block, Each

Part Number: CPI-BBP43B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM CRANK 4.500 2.750 2.100

Part Number: CPI-BBQ-41B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

ULTRA CRANK 4.50 2.750 2.200

Part Number: CPI-BBQ-42-UB

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 4.500 2.750 2.100

Part Number: CPI-BBQ-43B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 4.500 2.750 2.375

Part Number: CPI-BBQ-45B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 5.500 2.750 2.200

Part Number: CPI-BB-42B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 4.000 2.625 2.200

Part Number: CPI-BB0-82B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 5.750 2.750 2.200

Part Number: CPI-BB1442B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

ULTRA BOOST BB CRANK 5.750 2.747 2.197

Part Number: CPI-BB14PR-UB

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 5.750 2.750 2.200

Part Number: CPI-BB14PRB-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 3.750 2.750 2.200

Part Number: CPI-BB1542B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

Crankshaft, Stock Eliminator, 2-Piece, 3.773 in. Stroke, Forged 4340 Steel, Internal Balance, Chevy, Big Block, Each

Part Number: CPI-BB1542BSE

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES MG LS UD CRANK 3.335 STROKE

Part Number: CPI-APX-34V-UD

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES MG LS CRANK 3.335 STROKE

Part Number: CPI-APX-34W-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES MG LS UD CRANK 3.335 STROKE

Part Number: CPI-APX-79V-UD

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM 8CTWT LS CRANK 4.000 2.5585 2.1000

Part Number: CPI-ATJ-31W-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES LS CRANK 4.000/2.559/2.100 8 CTWT, 6 BOLT, WET SUMP WITH LT DIAMETER

Part Number: CPI-ATO-31W-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM GEN 5 LT1 6 BOLT 4.100 STROKE 2.100 ROD

Part Number: CPI-AU-31W-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES LS MAGNUM CRANK 3.625/2.559/2.100

Part Number: CPI-AUH-31W-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES LS MAGNUM *LT POST* 3.750/2.559/2.100

Part Number: CPI-AUJ-31W-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES LS ULTRA DIRT *LT POST* 3.800/2.559/2.000

Part Number: CPI-AUK-34W-UD

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES LS CRANK 4.000/2.559/1.888

Part Number: CPI-AUO-31W-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES 8 CTWT CRANK 4.100/2.559/2.100

Part Number: CPI-AW-31W-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

LS7 ULTRA BOOST CRANK 4.600 2.559 2.100

Part Number: CPI-AW4531-UB

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

ULTRA BOOST CRANK 3.750 2.559 2.100

Part Number: CPI-APJ-31-UB

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM LS CRANK 3.750 2.5585 2.100

Part Number: CPI-APJ-31W-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

ULTRA BOOST CRANK 3.750 2.559 2.000

Part Number: CPI-APJ-34-UB

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES Ultra Dirt 3.750 LS 2.000

Part Number: CPI-APJ-34-UD

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

FORGED UD LS1 CRANK 3.750 2.5585 2.000

Part Number: CPI-APJ-34V-UD

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES LS MAGNUM CRANK 3.750 2.000 8 CWT

Part Number: CPI-APJ-34W-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES Ultra Dirt 3.750 LS Honda

Part Number: CPI-APJ-39-UD

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES Forged Ultra Dirt 3.750 LS Honda

Part Number: CPI-APJ-39W-UD

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES LS1 ULTRA BILLET CRANK 3.750/2.750/2.448

Part Number: CPI-APJ-71-UB

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM 8CTWT LS CRANK 3.280 2.5585 2.1000

Part Number: CPI-APL-31W-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES LS ULTRA BOOST CRANK 3.875/2.750/2.100

Part Number: CPI-APM-71-UB

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CRANKSHAFT

Part Number: CPI-APO-31V-AS24

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES CCW LS FORGED DIRT 4.000 / 2.559 / 2.100

Part Number: CPI-APO-31W-UD

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES LS1 ULTRA BILLET CRANK 4.000 STROKE

Part Number: CPI-APO-34-UB

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES LS ULTRA DIRT CRANK 4.000/2.559/2.000

Part Number: CPI-APO-34-UD

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM 8CTWT LS CRANK 4.000 2.5585 2.0000

Part Number: CPI-APO-34W-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES Forged Ultra Dirt 4.000 stroke Billet CRANK

Part Number: CPI-APO-34W-UD

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES LS MAG CCW 4" / 351C / 2.100

Part Number: CPI-APO-71W-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

BB ULTRA BILLET CRANK 5.500 2.750 2.200

Part Number: CPI-BQ-42-UB

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB BILLET CRANK 5.500 2.750 2.200

Part Number: CPI-BQ-42K-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 5.600 2.750 2.200

Part Number: CPI-BB8A42B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

ULTRA BOOST BB CRANK 5.600 2.747 2.197

Part Number: CPI-BB8APR-UB

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 3.610 2.750 2.000 BIG BLOCK JOURNAL WIDTH

Part Number: CPI-BB8C4FB-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 3.675 2.750 2.100 SBC STYLE

Part Number: CPI-BB9041B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 3.675 2.750 2.000 SBC STYLE

Part Number: CPI-BB9044B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM CRANK 5.200 2.750 2.100

Part Number: CPI-BB9343B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES BBC MAGNUM 3.620 / 2.750 / 2.000 OD & SBC WIDTH

Part Number: CPI-BB9B44B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 3.640 2.750 2.000 BIG BLOCK JOURNAL WIDTH

Part Number: CPI-BB9C4FB-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES BB ULTRA BILLET CRANK 4.375/2.750/2.200

Part Number: CPI-BBB-42-UB

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 4.375 2.750 2.100

Part Number: CPI-BBB-43B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM CRANK 4.375 2.750 2.000 BB WIDTH

Part Number: CPI-BBB-4FB-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES BIG BLOCK ULTRA BILLET 4.375 2.750 2.197

Part Number: CPI-BBB-PR-UB

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM CRANK 3.900 2.750 2.200

Part Number: CPI-BBC-42B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM CRANK 3.900 2.750 2.100

Part Number: CPI-BBC-43B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM CRANK 3.900 2.750 2.200

Part Number: CPI-BBC-PRB-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM ULTRA DIRT BB CRANK 3.625 2.750 2.200

Part Number: CPI-BBG-42B-UD

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

ULTRA BILLET CRANK 3.500 / 2.750 / 2.100

Part Number: CPI-BBG-43-UB

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 3.500 2.750 2.100

Part Number: CPI-BBG-43B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 3.625 2.750 2.200

Part Number: CPI-BBH-42B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES BBC ULTRA BOOST 3.625 / 2.750 / 2.100

Part Number: CPI-BBH-43-UB

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 3.625 2.750 2.100

Part Number: CPI-BBH-43B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES BBC ULTRA BOOST CRANK 4.800/ 2.750/ 2.100

Part Number: CPI-BB4C43-UB

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES BBC ULTRA BOOST 5.300 / 2.75 / 2.200

Part Number: CPI-BB5-42-UB

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES BBC ULTRA BOOST 5.300 / 2.75 / 2.100 BBC WIDTH

Part Number: CPI-BB5-43-UB

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM CRANK 5.300 2.750 2.100

Part Number: CPI-BB5-43B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 5.300 2.750 2.200

Part Number: CPI-BB5-PRB-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 3.850/2.750/2.200

Part Number: CPI-BB5342B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 3.850 2.750 2.000 SBC STYLE

Part Number: CPI-BB5344B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

Crankshaft, Magnum, Forged 4340 Steel, 5.300 in. Stroke, Internal Balance, 2-Piece Seal Style, Chevy, Each

Part Number: CPI-BB542B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES BB MAGNUM CRANK 3.725/2.750/2.200

Part Number: CPI-BB5642B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES MAGNUM BB CRANK 3.562/2.750/2.200

Part Number: CPI-BB6-42B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES MAGNUM BB CRANK 3.562/2.750/2.100

Part Number: CPI-BB6-43B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES MAGNUM BB CRANK 5.650/2.747/2.197

Part Number: CPI-BB83PRB-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 3.350 2.750 2.200

Part Number: CPI-BB8642B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 3.350 2.750 2.000sb

Part Number: CPI-BB8644B-M2

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 3.350 2.750 2.000

Part Number: CPI-BB8644B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 4.710 2.750 2.100 BB WIDTH

Part Number: CPI-BB8843B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

ULTRA DIRT BB CRANK 3.625 2.750 2.100

Part Number: CPI-BBH-43B-UD

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 3.625 2.750 2.000 BIG BLOCK JOURNAL WIDTH

Part Number: CPI-BBH-4FB-M2

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES BBC ULTRA BOOST CRANK 4.875/ 2.750/ 2.200

Part Number: CPI-BBI-42-UB

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 4.875 2.750 2.100

Part Number: CPI-BBI-43B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES BBC ULTRA BOOST CRANK 4.875/ 2.750/ 2.200

Part Number: CPI-BBI-PR-UB

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 3.750 2.750 2.100 SBC OD/WIDTH

Part Number: CPI-BBJ-41B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM ULTRA DIRT BB CRANK 3.750 2.750 2.100

Part Number: CPI-BBJ-43B-UD

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES BBC 3.750/2.750/2.000

Part Number: CPI-BBJ-44B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES BBC 3.750/2.750/2.000

Part Number: CPI-BBJ-4FB-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM ULTRA DIRT BB CRANK 3.750 2.750 2.00

Part Number: CPI-BBJ-4FB-UD

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.750 in. Stroke, 6.385 in. Rod, 2.100 Pin, Internal Balance, Chevy, Big Block, Each

Part Number: CPI-BBJ43B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 3.800 2.750 2.100 OD/WIDTH

Part Number: CPI-BBK-41B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 3.800 2.750 2.200

Part Number: CPI-BBK-42B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 3.800 / 2.750 / 2.100

Part Number: CPI-BBK-43B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM BB CRANK 3.875 2.750 2.100

Part Number: CPI-BBM-43B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM ULTRA DIRT BB CRANK 3.875 2.750 2.100

Part Number: CPI-BBM-43B-UD

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.875 in. Stroke, 6.385 in. Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, Each

Part Number: CPI-BBM42B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES BB MAGNUM CRANK 3.790 /2.750/2.100

Part Number: CPI-BBN-43B-MG

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

ULTRA BILLET CRANK 4.00 / 2.750 / 2.200

Part Number: CPI-BBO-42-UB

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order